iframe form using Lightbox Plus ColorBox

I have and external affiliate form that I want to get activated when a button is clicked.

This click will then activate Lightbox Plus ColorBox to overlay the form on the current page.

Here’s what the owner of the aff program told me on how I should do it:

Basically what needs to be done (in general) is to link to the form page on SafariNow.com. This can happen via iFrame, in this particular case a jQuery Lightbox was used to load our request a quote page in an iFrame.

Here’s what the code looks like for the link to the form – on a competitor’s web page:

EDIT: I just read this while trying to figure out Lightbox Plus ColorBox:

If checked, Lightbox Plus ColorBox will create a secondary lightbox with an additional set of controls. This secondary lightbox can be used to create inline or iFramed content using a class to specify the content. Default: Unchecked